Improvement in coffee-roasters



W. T. GILLILAND.

Coffee Roaster.

No. 201,920. Patented April 2,1878.

Invezzi? r,"

UNITED STATEs PATENT OEEIcE.

WILLIAM T. GILLILAND, OF MoNMoUTH, ILLINOIS.

IMPROVEMENT IN COFFEE-ROASTERS.

Specification forming part of Letters, Patent No. 201,920, dated April2, 1878 application filed October 12, 1877.

To all whom it may concern:

Be it known that I, -WILLIAM T. GILLI- LAND of Monmouth, in the countyof Warren and tate of Illinois, have invented certain new and usefulImprovements in Coffee-Roasters; and I do hereby declare that thefollowing is a full, clear, and exact description thereof, which willenable others skilled in the art to which it appertains to make and usethe same, reference being had to the accompany.- ing drawings, and tothe letters of reference marked thereon, which form apart of thisspecification.

This invention relates to cofl'ee-roasters; and consists in improvementsin the construction and combination of parts, all as hereinafter fullydescribed, and set forth in the claim hereto annexed.

In the accompanying drawing, Figure 1 is a perspective view of a machineembodying my invention, showing the cap removed. Fig. 2 is a verticallongitudinal sectional View in the line w x in Fig. 1. Fig. 3 is atransverse vertical sectional view in the line 3 3 in Fig. 1.

Referring to the parts by letters, A represen ts a cylinder formed ofwire-cloth, banded at each end by internal and external bands at a. B Bare heads or ends in the cylinder A, formed of cast metal, and eachhaving an annular flange, b, which fits the interior of the cylinder A.One head, B, is secured in the end of the cylinder by rivets b, and theother head, B, is removably seated. Each head B B has a central hole,through which a shaft, 0, passes, which is secured to the head B by nuts00, and on which the head B maybe drawn back to Withdraw it from thecylinder A. (3 is a crank on one end of the shaft (3. D is a rectangularcase, with sides d, in the upper portions of which the shaft 0 isjournaled, and is of such length between the journals that when theshaft and cylindcrA are placed therein the sides d will retain the headB in the cylinder. When it is desired to remove the head B from thecylinder, it (the cylinder) may be lifted from the case D, and the headB may then be withdrawn, as shown,

by dotted lines at Fig. 2. E is a cap fitting the case D, and archedover the cylinder A, with its interior of polished metal, which forms areflecting-surface. The cap E has a mica or other transparent medium, 0,in one or both of its sides. G is a pocket attached to the interior ofthe cylinder A, with one open side.

The case D may be seated on a stove or over an open stove-hole. The capE being removed, the cylinder A may be raised from the case D, and thehead B removed, as here'- inbefore described, for the purpose ofchargiiig the cylinder with coffee to be roasted. When charged, thecylinder may be reseated in the case D, and the cap E then replaced,

to form a close case over the cylinder A, for

retaining the aroma while the roasting process is proceeded with, andthe cylinder A revolved in the direction shown by the arrow at Fig. 3,to agitate the coffee-grains and secure uniformity in the roasting. Theinterior surface of the cap E, beingarefleoting-surface, to reflect theascending heat back upon the cylinderA and concentrate it upon thec'ofl'ee, will not only heat the coffee from above, butwill enable theroasting to 'be effected with less heat below the case D than would benecessary without said reflector.

The process may be observed through the transparent medium 6; and byrota-ting the cylinder A backward, the pocket G will be charged withcoffee, and may be made to bring it near the transparency e, as shown atFig. 3, where it may be seen, in order to observe the stage of theroasting process. The coffee may be removed in the evident manner.

What I claim as new, and desire to secure by Letters Patent, is

In a coffee-roaster, the combination of an interior wire cylinder,provided with a wire pocket, with an exterior casing, having a concavereflector on the inside of its top, and a suitable opening, closed bysome transparent medium, substantially as set forth. I

In testimony that I claim the foregoing as my own I aflix my signaturein presence of two witnesses.

WILLIAM T. GILLILAND.

